<template>
<!--  <div class="page">-->
<!--    <div class="left">-->
      <ContentWrap>
        <!-- 搜索工作栏 -->
        <el-form
          class="-mb-15px"
          :model="queryParams"
          ref="queryFormRef"
          :inline="true"
          label-width="68px"
        >
          <el-form-item label="节点名称" prop="nodeName">
            <el-input
              v-model="queryParams.nodeName"
              placeholder="请输入节点名称"
              clearable
              @keyup.enter="handleQuery"
              class="!w-240px"
            />
          </el-form-item>
          <el-form-item>
            <el-button @click="handleQuery"><Icon icon="ep:search" class="mr-5px" /> 搜索</el-button>
            <el-button @click="resetQuery"><Icon icon="ep:refresh" class="mr-5px" /> 重置</el-button>
            <el-button
              type="primary"
              plain
              @click="openForm('create')"
              v-hasPermi="['knowledge:tree:create']"
            >
              <Icon icon="ep:plus" class="mr-5px" /> 新增
            </el-button>
           <!-- <el-button
              type="success"
              plain
              @click="handleExport"
              :loading="exportLoading"
              v-hasPermi="['knowledge:tree:export']"
            >
              <Icon icon="ep:download" class="mr-5px" /> 导出
            </el-button> -->
            <el-button type="danger" plain @click="toggleExpandAll">
              <Icon icon="ep:sort" class="mr-5px" /> 展开/折叠
            </el-button>
          </el-form-item>
        </el-form>
      </ContentWrap>

      <!-- 列表 -->
      <ContentWrap>
        <el-table
          v-loading="loading"
          :data="list"
          :stripe="true"
          :show-overflow-tooltip="true"
          row-key="id"
          :default-expand-all="isExpandAll"
          v-if="refreshTable"
        >
<!--          <el-table-column label="数据id" align="center" prop="id" />-->
<!--          <el-table-column-->
<!--            label="数据创建时间"-->
<!--            align="center"-->
<!--            prop="createTime"-->
<!--            :formatter="dateFormatter"-->
<!--            width="180px"-->
<!--          />-->
<!--          <el-table-column label="上级节点id" align="center" prop="parentId" />-->
          <el-table-column label="节点名称" align="left" prop="nodeName" />
          <el-table-column label="排序" align="left" prop="orderIndex" />
          <el-table-column label="操作" align="center" min-width="120px">
            <template #default="scope">
<!--              |{{scope.row.children }}|-->
              <el-button
                link
                type="primary"
                @click="openForm('update', scope.row.id)"
                v-hasPermi="['knowledge:tree:update']"
              >
                编辑
              </el-button>
              <el-button
                  link
                  type="primary" v-if="!scope.row.children"
                  @click="editItemForm('update', scope.row.id)"
                  v-hasPermi="['knowledge:tree:update']"
              >
                编辑条目
              </el-button>
              <el-button
                  link
                  type="primary"
                  @click="openForm('create', scope.row.id)"
                  v-hasPermi="['knowledge:tree:create']">
                增加下级
              </el-button>
              <el-button
                link
                type="danger"
                @click="handleDelete(scope.row.id)"
                v-hasPermi="['knowledge:tree:delete']"
              >
                删除
              </el-button>
            </template>
          </el-table-column>
        </el-table>
      </ContentWrap>
<!--    </div>-->
<!--    <div class="right">-->
<!--    </div>-->
<!--  </div>-->
    <!-- 表单弹窗：添加/修改 -->
  <TreeForm ref="formRef" @success="getList" />
  <!-- 条目弹窗 -->
  <ItemForm ref="editorRef" @success="getList"/>

</template>

<script setup lang="ts">
// import { isEmpty } from '@/utils/is'
// import { dateFormatter } from '@/utils/formatTime'
import { handleTree } from '@/utils/tree'
import download from '@/utils/download'
import { TreeApi, Tree } from '@/api/knowledge/tree'
import TreeForm from './TreeForm.vue'
import ItemForm from '../item/ItemForm.vue'

/** 知识库结构树 列表 */
defineOptions({ name: 'KnowledgeTree' })
const message = useMessage() // 消息弹窗
const { t } = useI18n() // 国际化

const loading = ref(true) // 列表的加载中
const list = ref<Tree[]>([]) // 列表的数据
const queryParams = reactive({
  createTime: [],
  parentId: undefined,
  nodeName: undefined
})
const queryFormRef = ref() // 搜索的表单
const exportLoading = ref(false) // 导出的加载中

/** 查询列表 */
const getList = async () => {
  loading.value = true
  try {
    const data = await TreeApi.getTreeList(queryParams)
    list.value = handleTree(data, 'id', 'parentId')
  } finally {
    loading.value = false
  }
}

/** 搜索按钮操作 */
const handleQuery = () => {
  getList()
}

/** 重置按钮操作 */
const resetQuery = () => {
  queryFormRef.value.resetFields()
  handleQuery()
}

/** 添加/修改操作 */
const formRef = ref()
const openForm = (type: string, id?: number) => {
  formRef.value.open(type, id)
}
const editorRef = ref()
const editItemForm = (type: string, id?: number) => {
  editorRef.value.open(type, id)
}
/** 删除按钮操作 */
const handleDelete = async (id: number) => {
  try {
    // 删除的二次确认
    await message.delConfirm()
    // 发起删除
    await TreeApi.deleteTree(id)
    message.success(t('common.delSuccess'))
    // 刷新列表
    await getList()
  } catch {}
}


/** 导出按钮操作 */
const handleExport = async () => {
  try {
    // 导出的二次确认
    await message.exportConfirm()
    // 发起导出
    exportLoading.value = true
    const data = await TreeApi.exportTree(queryParams)
    download.excel(data, '知识库结构树.xls')
  } catch {
  } finally {
    exportLoading.value = false
  }
}

/** 展开/折叠操作 */
const isExpandAll = ref(true) // 是否展开，默认全部展开
const refreshTable = ref(true) // 重新渲染表格状态
const toggleExpandAll = async () => {
  refreshTable.value = false
  isExpandAll.value = !isExpandAll.value
  await nextTick()
  refreshTable.value = true
}
/** 初始化 **/
onMounted(() => {
  getList()
})
</script>
<style scoped lang="scss">
.page {
  height: 100%;
  display: grid;
  grid-template-columns: 1fr 3fr;
  grid-gap: 20px;
}
.left {
  display: flex;
  flex-direction: column;
}
.right {
  display: flex;
  flex-direction: column;
}
</style>
